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Round|Lab Grown|IGI

3.52ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG656494144

Shape and cutting style on the report: Round brilliant

Certificate IGI LG656494144

Diamond specifications and retailer prices

From $415 USD
As of October 29, 2026
Save $2,785 USD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,200 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.52ct lab-grown round diamond

This 3.52ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG656494144 or 656494144. Listed at 9 retailers as of October 29, 2026, with prices from $415 to $3,200, a $2,785 spread on the same certified stone. Brilliant Earth lists it at $3,200. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.52
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656494144
Dimensions9.80 × 9.78 × 5.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.80 mm9.78 mm3.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656494144
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,200 USD|Low: $405 USD|High: $3,300 USD|Avg: $1,577 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 11$415 USD
Retailer 9$465 USD
Retailer 2$815 USD
Retailer 14$926 USD
Retailer 6$1,176 USD
Retailer 5$1,240 USD
Retailer 10$1,444 USD
Retailer 8$1,445 USD
Retailer 3$1,608 USD
Retailer 12$1,655 USD
Retailer 7$1,894 USD
Retailer 13$2,036 USD
Retailer 4$2,825 USD
Brilliant Earth$3,200 USD

25 data points across 14 retailers

9 retailers$415 USD to $3,200 USD

A
Cheapest Retailer
-
$415 USD
A
Retailer 2
-
$465 USD
View
A
Retailer 3
-
$815 USD
€776 EUR
View
B+
Retailer 4
-
$1,444 USD
View
B+
Retailer 5
-
$1,445 USD
View
B+
Retailer 6
-
$1,655 USD
View
B+
Retailer 7
-
$1,894 USD
£1,491 GBP
View
Retailer 8
-
$2,036 USD
SGD 2,751 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
20805081A · Oct 31
$3,200 USD
View
8 more retailers have this diamond
Prices start from $415 USDSave up to $2,785 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.52ct Round
$415 USD